USGS Earthquake Catalog
Seismic Pulse
// Time Range
Start Date
End Date
// Search Center
Pick on Map
Center Latitude
Center Longitude
Search Radius (km)
// Magnitude Filter
Min Magnitude
Max Magnitude
▶ Fetch & Animate
⊕ Select Search Area
Pan/zoom freely · Shift+drag to draw search circle
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Querying USGS Catalog
⚙ Settings
Animation
Speed Multiplier
200×
Fade Out Time (s)
2s
Ripple Rings
1
Circle Size
Base Radius (px)
10
Mag Scale Factor
2.0
Max Radius Cap (px)
200
Colors
Low Mag (≤4)
Mid Mag (4–6)
High Mag (≥6)
Background
Map Lines
Visual Options
Glow Effect
Depth Shading
Afterglow Trail
Grid Overlay
Magnitude Labels
Map Background
Trail Opacity
0.15
Map Line Width
0.6
Map Opacity
0.75
Controls
↺ Restart Animation
⊕ Reset View
✦ New Query
⏸ Pause / Resume
SETTINGS
Earthquakes
0
Total Events
Animation Time
—
+
−
▶ Play
⏸ Pause
↺ Restart
✦ New Query
Magnitude
≥ 7
5 – 7
3 – 5
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